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OFDM_fangzhen
本程序对OFDM这一调制方式的基本流程进行了仿真,通过高斯白噪声信道,接收信号解调,对比发送和接收信号波形,并画出功率谱密度图形(This program OFDM modulation scheme of this basic flow of the simulation carried out by white Gaussian noise channel, the received signal demodulation, compare sent and received signal waveforms and power spectral density plot graphics)
- 2010-03-06 10:36:36下载
- 积分:1
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acdc
The acdc algorithm for finding the
approximate general (non-orthogonal)
joint diagonalizer (in the direct Least
Squares sense) of a set of Hermitian
matrices.
- 2014-10-11 16:39:32下载
- 积分:1
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项目4
说明: 任务:设计一个4×2.5Gbit/s 长距离光纤传输系统,并利用OptiSystem 仿真验证。
要求:
1.采用波分复用技术,波长设置以100GHz 为间隔,频率分别为193.1THz、193.2THz、193.3THz、193.4THz,每个波长传输速率为2.5Gbit/s(NRZ),传输距离为300km。采用常规光纤,光纤损耗系数为0.25dB/km。
2.单通道光发送机最大输出功率为0dBm,光接收机的接收光功率不低于-26dBm,过载点为-10dBm。
3.可以采用EDFA 作为线路放大器,其中EDFA 的输入功率限制在-18~2dBm,最大输出功率20dBm,增益范围为13~25dB,噪声指数4.0dB。(Task: Design a 4 x 2.5 Gbit/s long-distance optical fiber transmission system, and use OptiSystem simulation to verify.
Requirement:
1. Using wavelength division multiplexing technology, the wavelength is set at 100GHz intervals, with frequencies of 193.1 THz, 193.2 THz, 193.3 THz and 193.4 THz, respectively. The transmission rate of each wavelength is 2.5 Gbit/s (NRZ), and the transmission distance is 300 km. The loss coefficient of conventional optical fibers is 0.25dB/km.
2. The maximum output power of a single-channel optical transmitter is 0 dBm, and the receiving power of an optical receiver is not less than -26 dBm, and the overload point is -10 dBm.
3. EDFA can be used as line amplifier, where the input power of EDFA is limited to - 18-2dBm, the maximum output power is 20dBm, the gain range is 13-25dB, and the noise index is 4.0dB.)
- 2019-05-13 09:39:41下载
- 积分:1
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Stewart-91
Tiny Voice—is based on
a low-cost, 20-pin single-chip controller.
It’s a speaker-dependent, templatebased,
isolated-word recognizer. You
train it to recognize your voice.
- 2010-07-17 18:55:09下载
- 积分:1
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UMTS_Turbo_Encoder
UMTS turbo encoder simulimk
- 2009-05-05 22:05:49下载
- 积分:1
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WaveletandMatlab7
详细的介绍了小波信号处理的原理、方法和Matlab实现程序。(Detailed introduces wavelets signal processing principle, method and Matlab program)
- 2009-12-28 17:14:24下载
- 积分:1
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Feature-point-extraction
数字 图像处理特征提取 非常详细,推荐学习下载(Feature point extraction with matlab performance)
- 2013-01-06 19:50:42下载
- 积分:1
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matlabcurve_fitting
这是一份关于matlab曲线拟合的文章,供大家学习~~180K(This is an article on the matlab curve fitting for them to learn ~ ~ 180K)
- 2010-05-24 15:41:32下载
- 积分:1
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ieee
This is the IEEE Second benchmark model.
- 2012-07-30 19:24:10下载
- 积分:1
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OneMax
The OneMax Problem [SE91] (or BitCounting) is a simple problem consisting in maximizing the number of ones of a bitstring.
- 2012-11-24 18:33:57下载
- 积分:1